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Let us suppose *p*_{0} is a dip picked at a point through the constrained non-linear
optimization and *p* is the true dip at that point. The difference between
them is a small residual dip .
| |
(9) |

We can substitute *p* in equation (2) with
equation (9) and linearize the expression on the left-hand side of
equation (2):
| |
(10) |

to obtain *P*_{ij} as a linear function of the residual dip .

** Next:** Objective function and solution
** Up:** LINEAR OPTIMIZATION
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Stanford Exploration Project

12/18/1997